#include <Adafruit_NeoPixel.h>

#define Up1 A0
#define Down1 A1
#define Up2 A2
#define Down2 A3
#define Reset A4
#define Random A5

#define NUMPIXELS 28 // จำนวน Neopixel
#define BAR 4        // กำหนดจำนวนของ bar

Adafruit_NeoPixel strip1 = Adafruit_NeoPixel(NUMPIXELS, 5, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip2 = Adafruit_NeoPixel(NUMPIXELS, 6, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip3 = Adafruit_NeoPixel(NUMPIXELS, 9, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel strip4 = Adafruit_NeoPixel(NUMPIXELS, 10, NEO_GRB + NEO_KHZ800);

boolean num[10][7] = {
    {1,1,1,1,1,1,0},  
    {0,1,1,0,0,0,0},  
    {1,1,0,1,1,0,1},  
    {1,1,1,1,0,0,1},  
    {0,1,1,0,0,1,1},  
    {1,0,1,1,0,1,1},  
    {1,0,1,1,1,1,1},  
    {1,1,1,0,0,0,0},  
    {1,1,1,1,1,1,1},  
    {1,1,1,1,0,1,1}  
};

char r1 = 0, g1 = 255, b1 = 0;    // สีผู้เล่น 1
char r2 = 255, g2 = 255, b2 = 0;  // สีผู้เล่น 2

unsigned char Score1 = 0 , Score2 = 0;

void setup() {
    pinMode(Up1, INPUT_PULLUP);
    pinMode(Down1, INPUT_PULLUP);
    pinMode(Up2, INPUT_PULLUP);
    pinMode(Down2, INPUT_PULLUP);
    pinMode(Reset, INPUT_PULLUP);
    pinMode(Random, INPUT_PULLUP);

    strip1.begin();
    strip2.begin();
    strip3.begin();
    strip4.begin();

    strip1.show();
    strip2.show();
    strip3.show();
    strip4.show();

    show1(Score1/10);
    show2(Score1%10);
    show3(Score2/10);
    show4(Score2%10);
}

void loop() {
    if(digitalRead(Up1) == LOW){
        Score1++; delay(100);
        while(digitalRead(Up1) == LOW){}
        if(Score1 > 99) Score1 = 99;
        show1(Score1/10);
        show2(Score1%10);
    }
    else if(digitalRead(Down1) == LOW){
        if(Score1 > 0) Score1--; 
        delay(100);
        while(digitalRead(Down1) == LOW){}
        show1(Score1/10);
        show2(Score1%10);
    }
    else if(digitalRead(Up2) == LOW){
        Score2++; delay(100);
        while(digitalRead(Up2) == LOW){}
        if(Score2 > 99) Score2 = 99;
        show3(Score2/10);
        show4(Score2%10);
    }
    else if(digitalRead(Down2) == LOW){
        if(Score2 > 0) Score2--; 
        delay(100);
        while(digitalRead(Down2) == LOW){}
        show3(Score2/10);
        show4(Score2%10);
    }
    else if (digitalRead(Reset) == LOW) {
        Score1 = 0; Score2 = 0; delay(100);
        while(digitalRead(Reset) == LOW){}
        show1(0);
        show2(0);
        show3(0);
        show4(0);
    }
    else if (digitalRead(Random) == LOW) {
      random_color();
delay(100);
      while (digitalRead(Random) == LOW) {}
        
        show1(Score1/10);
        show2(Score1%10);
        show3(Score2/10);
        show4(Score2%10);
    }
}

void random_color() {
    r1 = random(0, 255);
    g1 = random(0, 255);
    b1 = random(0, 255);
    r2 = random(0, 255);
    g2 = random(0, 255);
    b2 = random(0, 255);
}

void show1(char n) {
    int s = 0;
    for (int x = 0; x < NUMPIXELS; x+=BAR ) {
        for (int i = x; i < x+BAR; i++) {
            strip1.setPixelColor(i, strip1.Color(r1*num[n][s], g1*num[n][s], b1*num[n][s]));
        }
        s++;
    }
    strip1.show();
}

void show2(char n) {
    int s = 0;
    for (int x = 0; x < NUMPIXELS; x+=BAR) {
        for (int i = x; i < x+BAR; i++) {
            strip2.setPixelColor(i, strip2.Color(r1*num[n][s], g1*num[n][s], b1*num[n][s]));
        }
        s++;
    }
    strip2.show();
}

void show3(char n) {
    int s = 0;
    for (int x = 0; x < NUMPIXELS; x+=BAR) {
        for (int i = x; i < x+BAR; i++) {
            strip3.setPixelColor(i, strip3.Color(r2*num[n][s], g2*num[n][s], b2*num[n][s]));
        }
        s++;
    }
    strip3.show();
}

void show4(char n){
    int s = 0;
    for (int x = 0; x < NUMPIXELS; x+=BAR) {
        for (int i = x; i < x+BAR; i++) {
            strip4.setPixelColor(i, strip4.Color(r2*num[n][s], g2*num[n][s], b2*num[n][s]));
        }
        s++;
    }
    strip4.show();
}